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[PATCH v5 17/27] refs: on symref reflog expire, lock symref not referrent

From
David Turner <dturner@twopensource.com>
Date
Feb 18, 2016, 05:17 UTC
Message-ID
<1455772670-21142-18-git-send-email-dturner@twopensource.com>
In-Reply-To
<1455772670-21142-1-git-send-email-dturner@twopensource.com>

When locking a symbolic ref to expire a reflog, lock the symbolic ref (using REF_NODEREF) instead of its referent.

Add a test for this.
Signed-off-by: David Turner <dturner@twopensource.com>
---
 refs/files-backend.c |  3 ++-
 t/t1410-reflog.sh    | 10 ++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/refs/files-backend.c b/refs/files-backend.c
index 4863b21..42f2d5b 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -3365,7 +3365,8 @@ static int files_reflog_expire(const char *refname, const unsigned char *sha1,
 	 * reference itself, plus we might need to update the
 	 * reference if --updateref was specified:
 	 */
-	lock = lock_ref_sha1_basic(refname, sha1, NULL, NULL, 0, &type, &err);
+	lock = lock_ref_sha1_basic(refname, sha1, NULL, NULL, REF_NODEREF,
+				   &type, &err);
 	if (!lock) {
 		error("cannot lock ref '%s': %s", refname, err.buf);
 		strbuf_release(&err);
diff --git a/t/t1410-reflog.sh b/t/t1410-reflog.sh
index c623824..9cf91dc 100755
--- a/t/t1410-reflog.sh
+++ b/t/t1410-reflog.sh
@@ -338,4 +338,14 @@ test_expect_failure 'reflog with non-commit entries displays all entries' '
 	test_line_count = 3 actual
 '
 
+test_expect_success 'reflog expire operates on symref not referrent' '
+	git branch -l the_symref &&
+	git branch -l referrent &&
+	git update-ref referrent HEAD &&
+	git symbolic-ref refs/heads/the_symref refs/heads/referrent &&
+	test_when_finished "rm -f .git/refs/heads/referrent.lock" &&
+	touch .git/refs/heads/referrent.lock &&
+	git reflog expire --expire=all the_symref
+'
+
 test_done
-- 
2.4.2.767.g62658d5-twtrsrc
Previous: David TurnerNext: David Turner
Message 20 of 52 in “refs backends”
  1. 00/27 refs backendsDavid Turner, Feb 18, 2016
  2. 01/27 refs: Move head_ref{,_submodule} to the common codeDavid Turner, Feb 18, 2016
  3. 02/27 refs: move for_each_*ref* functions into common codeDavid Turner, Feb 18, 2016
  4. 03/27 refs: add a backend method structure with transaction functionsDavid Turner, Feb 18, 2016
  5. 04/27 refs: add methods for misc ref operationsDavid Turner, Feb 18, 2016
  6. 05/27 refs: add method for do_for_each_refDavid Turner, Feb 18, 2016
  7. 06/27 refs: add do_for_each_per_worktree_refDavid Turner, Feb 18, 2016
  8. 07/27 refs: add methods for reflogDavid Turner, Feb 18, 2016
  9. 08/27 refs: add method for initial ref transaction commitDavid Turner, Feb 18, 2016
  10. 09/27 refs: add method for delete_refsDavid Turner, Feb 18, 2016
  11. 10/27 refs: add methods to init refs dbDavid Turner, Feb 18, 2016
  12. 11/27 refs: add method to rename refsDavid Turner, Feb 18, 2016
  13. 12/27 refs: forbid cross-backend ref renamesDavid Turner, Feb 18, 2016
  14. Duy NguyenFeb 20, 2016
  15. David TurnerFeb 24, 2016
  16. 13/27 refs: make lock genericDavid Turner, Feb 18, 2016
  17. 14/27 refs: move duplicate check to common codeDavid Turner, Feb 18, 2016
  18. 15/27 refs: allow log-only updatesDavid Turner, Feb 18, 2016
  19. 16/27 refs: don't dereference on renameDavid Turner, Feb 18, 2016
  20. 17/27 refs: on symref reflog expire, lock symref not referrentDavid Turner, Feb 18, 2016
  21. 18/27 refs: resolve symbolic refs firstDavid Turner, Feb 18, 2016
  22. 19/27 refs: always handle non-normal refs in files backendDavid Turner, Feb 18, 2016
  23. 20/27 init: allow alternate ref strorage to be set for new reposDavid Turner, Feb 18, 2016
  24. 21/27 refs: check submodules' ref storage configDavid Turner, Feb 18, 2016
  25. 22/27 clone: allow ref storage backend to be set for cloneDavid Turner, Feb 18, 2016
  26. 23/27 svn: learn ref-storage argumentDavid Turner, Feb 18, 2016
  27. Eric WongFeb 20, 2016
  28. David TurnerFeb 23, 2016
  29. 24/27 refs: add register_ref_storage_backends()David Turner, Feb 18, 2016
  30. 25/27 refs: add LMDB refs storage backendDavid Turner, Feb 18, 2016
  31. Duy NguyenFeb 18, 2016
  32. David TurnerFeb 18, 2016
  33. Junio C HamanoFeb 18, 2016
  34. Duy NguyenFeb 19, 2016
  35. David TurnerFeb 19, 2016
  36. Duy NguyenFeb 20, 2016
  37. David TurnerFeb 24, 2016
  38. Junio C HamanoFeb 20, 2016
  39. David TurnerFeb 19, 2016
  40. Junio C HamanoFeb 19, 2016
  41. Duy NguyenFeb 20, 2016
  42. David TurnerFeb 24, 2016
  43. Duy NguyenFeb 25, 2016
  44. Duy NguyenFeb 20, 2016
  45. David TurnerFeb 24, 2016
  46. Duy NguyenFeb 25, 2016
  47. refs: document transaction semanticsDavid Turner, Feb 25, 2016
  48. David TurnerFeb 25, 2016
  49. Junio C HamanoFeb 25, 2016
  50. David TurnerFeb 25, 2016
  51. 26/27 refs: tests for lmdb backendDavid Turner, Feb 18, 2016
  52. 27/27 tests: add ref-storage argumentDavid Turner, Feb 18, 2016

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